diff --git a/AUTHORS b/AUTHORS index 3e7ad85..50e5e74 100644 --- a/AUTHORS +++ b/AUTHORS @@ -6,3 +6,4 @@ Pavol Luptak - project leader, minor coding, testing and bugreporting = Contributors Michal Boska - porting to libnfc 1.3.3 +Romuald Conty - porting to libnfc 1.3.9 diff --git a/Makefile.in b/Makefile.in deleted file mode 100644 index 8f65504..0000000 --- a/Makefile.in +++ /dev/null @@ -1,604 +0,0 @@ -# Makefile.in generated by automake 1.10.2 from Makefile.am. -# @configure_input@ - -# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, -# 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. -# This Makefile.in is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; without -# even the implied warranty of MERCHANTABILITY or FITNESS FOR A -# PARTICULAR PURPOSE. - -@SET_MAKE@ -VPATH = @srcdir@ -pkgdatadir = $(datadir)/@PACKAGE@ -pkglibdir = $(libdir)/@PACKAGE@ -pkgincludedir = $(includedir)/@PACKAGE@ -am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd -install_sh_DATA = $(install_sh) -c -m 644 -install_sh_PROGRAM = $(install_sh) -c -install_sh_SCRIPT = $(install_sh) -c -INSTALL_HEADER = $(INSTALL_DATA) -transform = $(program_transform_name) -NORMAL_INSTALL = : -PRE_INSTALL = : -POST_INSTALL = : -NORMAL_UNINSTALL = : -PRE_UNINSTALL = : -POST_UNINSTALL = : -subdir = . -DIST_COMMON = README $(am__configure_deps) $(srcdir)/Makefile.am \ - $(srcdir)/Makefile.in $(srcdir)/config.h.in \ - $(top_srcdir)/configure AUTHORS COPYING ChangeLog INSTALL NEWS \ - depcomp install-sh missing -ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 -am__aclocal_m4_deps = $(top_srcdir)/configure.ac -am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ - $(ACLOCAL_M4) -am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \ - configure.lineno config.status.lineno -mkinstalldirs = $(install_sh) -d -CONFIG_HEADER = config.h -CONFIG_CLEAN_FILES = -SOURCES = -DIST_SOURCES = -RECURSIVE_TARGETS = all-recursive check-recursive dvi-recursive \ - html-recursive info-recursive install-data-recursive \ - install-dvi-recursive install-exec-recursive \ - install-html-recursive install-info-recursive \ - install-pdf-recursive install-ps-recursive install-recursive \ - installcheck-recursive installdirs-recursive pdf-recursive \ - ps-recursive uninstall-recursive -RECURSIVE_CLEAN_TARGETS = mostlyclean-recursive clean-recursive \ - distclean-recursive maintainer-clean-recursive -ETAGS = etags -CTAGS = ctags -DIST_SUBDIRS = $(SUBDIRS) -DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST) -distdir = $(PACKAGE)-$(VERSION) -top_distdir = $(distdir) -am__remove_distdir = \ - { test ! 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Check the \`README' file, - it often tells you about the needed prerequisites for installing - this package. You may also peek at any GNU archive site, in case - some other package would contain this missing \`$1' program." - exit 1 - ;; -esac - -exit 0 - -# Local variables: -# eval: (add-hook 'write-file-hooks 'time-stamp) -# time-stamp-start: "scriptversion=" -# time-stamp-format: "%:y-%02m-%02d.%02H" -# time-stamp-end: "$" -# End: diff --git a/src/Makefile.am b/src/Makefile.am index c98571a..3e74282 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -1,7 +1,7 @@ bin_PROGRAMS = mfoc -# set the include path found by configure -mfoc_SOURCES = mfoc.c crapto1.c crypto1.c -mfoc_LDADD = -lnfc +noinst_HEADERS = crapto1.h mfoc.h mifare.h nfc-utils.h +mfoc_SOURCES = crapto1.c crypto1.c mfoc.c mifare.c nfc-utils.c +mfoc_LDADD = @LIBNFC_LIBS@ # dist_man_MANS = mfoc.1 diff --git a/src/mfoc.c b/src/mfoc.c index 0cc433b..549b0f5 100644 --- a/src/mfoc.c +++ b/src/mfoc.c @@ -21,6 +21,7 @@ Contact: Porting to libnfc 1.3.3: Michal Boska + Porting to libnfc 1.3.9: Romuald Conty URL http://eprint.iacr.org/2009/137.pdf URL http://www.sos.cs.ru.nl/applications/rfid/2008-esorics.pdf @@ -28,17 +29,21 @@ URL http://www.cs.ru.nl/~petervr/papers/grvw_2009_pickpocket.pdf */ -#ifndef PACKAGE_STRING - #define PACKAGE_STRING "0.08" -#endif - #include #include #include #include + +// NFC #include -#include + +// Crapto1 #include "crapto1.h" + +// Internal +#include "config.h" +#include "mifare.h" +#include "nfc-utils.h" #include "mfoc.h" int main(int argc, char * const argv[]) { @@ -61,13 +66,14 @@ int main(int argc, char * const argv[]) { // Array with default Mifare Classic keys byte_t defaultKeys[][6] = { - {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, // First key - {0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5}, // Second key - {0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5}, // Third key - {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, // User defined key slot + {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, // Default key (first key used by program if no user defined key) + {0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5}, // NFCForum MAD key + {0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7}, // NFCForum content key + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // Blank key + {0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5}, {0x4d, 0x3a, 0x99, 0xc3, 0x51, 0xdd}, {0x1a, 0x98, 0x2c, 0x7e, 0x45, 0x9a}, - {0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7}, {0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff}, {0x71, 0x4c, 0x5c, 0x88, 0x6e, 0x97}, {0x58, 0x7e, 0xe5, 0xf9, 0x35, 0x0f}, @@ -89,7 +95,7 @@ int main(int argc, char * const argv[]) { bKeys *bk; static mifare_param mp; - static mifare_tag mtDump; + static mifare_classic_tag mtDump; mifare_cmd mc; FILE *pfDump = NULL; @@ -459,9 +465,9 @@ int main(int argc, char * const argv[]) { } void usage(FILE * stream, int errno) { - fprintf(stream, "mfoc %s\n\n", PACKAGE_STRING); + fprintf(stream, "mfoc %s\n\n", PACKAGE_VERSION); fprintf(stream, "usage: mfoc [-h] [-P probnum] [-T tolerance] [-k custom_key] [-O output]\n\n"); - fprintf(stream, "example: mfoc\n"); + fprintf(stream, "example: mfoc -O card_dump\n"); fprintf(stream, "example: mfoc -k ffffeeeedddd -O card_dump\n"); fprintf(stream, "example: mfoc -P 50 -O card_dump\n"); fprintf(stream, "\n"); @@ -502,7 +508,7 @@ void mf_configure(nfc_device_t* pdi) { void mf_select_tag(nfc_device_t* pdi, nfc_target_info_t* ti) { // Poll for a ISO14443A (MIFARE) tag - if (!nfc_initiator_select_tag(pdi,NM_ISO14443A_106,NULL,0,ti)) { + if (!nfc_initiator_select_passive_target(pdi,NM_ISO14443A_106,NULL,0,ti)) { fprintf(stderr, "!Error connecting to the MIFARE Classic tag\n"); nfc_disconnect(pdi); exit(1); @@ -541,7 +547,7 @@ int find_exploit_sector(mftag t) { } void mf_anticollision(mftag t, mfreader r) { - if (!nfc_initiator_select_tag(r.pdi, NM_ISO14443A_106, NULL, 0, &t.ti)) { + if (!nfc_initiator_select_passive_target(r.pdi, NM_ISO14443A_106, NULL, 0, &t.ti)) { fprintf(stderr, "\n\n!Error: tag has been removed\n"); exit(1); } @@ -580,13 +586,26 @@ int mf_enhanced_auth(int e_sector, int a_sector, mftag t, mfreader r, denonce *d // print_hex(Auth, 4); // We need full control over the CRC - nfc_configure(r.pdi,NDO_HANDLE_CRC,false); - + if (!nfc_configure(r.pdi, NDO_HANDLE_CRC, false)) { + nfc_perror (r.pdi, "nfc_configure"); + exit (EXIT_FAILURE); + } + // Request plain tag-nonce // fprintf(stdout, "\t[Nt]:\t"); + if (!nfc_configure (r.pdi, NDO_EASY_FRAMING, false)) { + nfc_perror (r.pdi, "nfc_configure"); + exit (EXIT_FAILURE); + } + if (!nfc_initiator_transceive_bytes(r.pdi, Auth, 4, Rx, &RxLen)) { - fprintf(stdout, "Error requesting plain tag-nonce\n"); - exit(1); + fprintf(stdout, "Error while requesting plain tag-nonce\n"); + exit(EXIT_FAILURE); + } + + if (!nfc_configure (r.pdi, NDO_EASY_FRAMING, true)) { + nfc_perror (r.pdi, "nfc_configure"); + exit (EXIT_FAILURE); } // print_hex(Rx, 4); diff --git a/src/mifare.c b/src/mifare.c new file mode 100644 index 0000000..f7e0082 --- /dev/null +++ b/src/mifare.c @@ -0,0 +1,86 @@ +#include "mifare.h" + +#include + +#include + +/** + * @brief Execute a MIFARE Classic Command + * @return Returns true if action was successfully performed; otherwise returns false. + * @param pmp Some commands need additional information. This information should be supplied in the mifare_param union. + * + * The specified MIFARE command will be executed on the tag. There are different commands possible, they all require the destination block number. + * @note There are three different types of information (Authenticate, Data and Value). + * + * First an authentication must take place using Key A or B. It requires a 48 bit Key (6 bytes) and the UID. + * They are both used to initialize the internal cipher-state of the PN53X chip (http://libnfc.org/hardware/pn53x-chip). + * After a successful authentication it will be possible to execute other commands (e.g. Read/Write). + * The MIFARE Classic Specification (http://www.nxp.com/acrobat/other/identification/M001053_MF1ICS50_rev5_3.pdf) explains more about this process. + */ +bool +nfc_initiator_mifare_cmd (nfc_device_t * pnd, const mifare_cmd mc, const uint8_t ui8Block, mifare_param * pmp) +{ + byte_t abtRx[265]; + size_t szRxLen; + size_t szParamLen; + byte_t abtCmd[265]; + + // Make sure we are dealing with a active device + if (!pnd->bActive) + return false; + + abtCmd[0] = mc; // The MIFARE Classic command + abtCmd[1] = ui8Block; // The block address (1K=0x00..0x39, 4K=0x00..0xff) + + switch (mc) { + // Read and store command have no parameter + case MC_READ: + case MC_STORE: + szParamLen = 0; + break; + + // Authenticate command + case MC_AUTH_A: + case MC_AUTH_B: + szParamLen = sizeof (mifare_param_auth); + break; + + // Data command + case MC_WRITE: + szParamLen = sizeof (mifare_param_data); + break; + + // Value command + case MC_DECREMENT: + case MC_INCREMENT: + case MC_TRANSFER: + szParamLen = sizeof (mifare_param_value); + break; + + // Please fix your code, you never should reach this statement + default: + return false; + break; + } + + // When available, copy the parameter bytes + if (szParamLen) + memcpy (abtCmd + 2, (byte_t *) pmp, szParamLen); + + // Fire the mifare command + if (!nfc_initiator_transceive_bytes (pnd, abtCmd, 2 + szParamLen, abtRx, &szRxLen)) { + if (pnd->iLastError != 0x14) + nfc_perror (pnd, "nfc_initiator_transceive_bytes"); + return false; + } + // When we have executed a read command, copy the received bytes into the param + if (mc == MC_READ) { + if (szRxLen == 16) { + memcpy (pmp->mpd.abtData, abtRx, 16); + } else { + return false; + } + } + // Command succesfully executed + return true; +} diff --git a/src/mifare.h b/src/mifare.h new file mode 100644 index 0000000..76019d0 --- /dev/null +++ b/src/mifare.h @@ -0,0 +1,127 @@ +/** + * Public platform independent Near Field Communication (NFC) library + * + * Copyright (C) 2009, Roel Verdult, 2010, Romuald Conty + * + * This program is free software: you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published by the + * Free Software Foundation, either version 3 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program. If not, see + * + * + * @file mifaretag.h + * @brief provide samples structs and functions to manipulate MIFARE Classic and Ultralight tags using libnfc + */ + +#ifndef _LIBNFC_MIFARE_H_ +# define _LIBNFC_MIFARE_H_ + +# include + +// Compiler directive, set struct alignment to 1 byte_t for compatibility +# pragma pack(1) + +typedef enum { + MC_AUTH_A = 0x60, + MC_AUTH_B = 0x61, + MC_READ = 0x30, + MC_WRITE = 0xA0, + MC_TRANSFER = 0xB0, + MC_DECREMENT = 0xC0, + MC_INCREMENT = 0xC1, + MC_STORE = 0xC2 +} mifare_cmd; + +// MIFARE command params +typedef struct { + byte_t abtKey[6]; + byte_t abtUid[4]; +} mifare_param_auth; + +typedef struct { + byte_t abtData[16]; +} mifare_param_data; + +typedef struct { + byte_t abtValue[4]; +} mifare_param_value; + +typedef union { + mifare_param_auth mpa; + mifare_param_data mpd; + mifare_param_value mpv; +} mifare_param; + +// Reset struct alignment to default +# pragma pack() + +bool nfc_initiator_mifare_cmd (nfc_device_t * pnd, const mifare_cmd mc, const uint8_t ui8Block, mifare_param * pmp); + +// Compiler directive, set struct alignment to 1 byte_t for compatibility +# pragma pack(1) + +// MIFARE Classic +typedef struct { + byte_t abtUID[4]; + byte_t btBCC; + byte_t btUnknown; + byte_t abtATQA[2]; + byte_t abtUnknown[8]; +} mifare_classic_block_manufacturer; + +typedef struct { + byte_t abtData[16]; +} mifare_classic_block_data; + +typedef struct { + byte_t abtKeyA[6]; + byte_t abtAccessBits[4]; + byte_t abtKeyB[6]; +} mifare_classic_block_trailer; + +typedef union { + mifare_classic_block_manufacturer mbm; + mifare_classic_block_data mbd; + mifare_classic_block_trailer mbt; +} mifare_classic_block; + +typedef struct { + mifare_classic_block amb[256]; +} mifare_classic_tag; + +// MIFARE Ultralight +typedef struct { + byte_t sn0[3]; + byte_t btBCC0; + byte_t sn1[4]; + byte_t btBCC1; + byte_t internal; + byte_t lock[2]; + byte_t otp[4]; +} mifareul_block_manufacturer; + +typedef struct { + byte_t abtData[16]; +} mifareul_block_data; + +typedef union { + mifareul_block_manufacturer mbm; + mifareul_block_data mbd; +} mifareul_block; + +typedef struct { + mifareul_block amb[4]; +} mifareul_tag; + +// Reset struct alignment to default +# pragma pack() + +#endif // _LIBNFC_MIFARE_H_ diff --git a/src/nfc-utils.c b/src/nfc-utils.c new file mode 100644 index 0000000..494cc8d --- /dev/null +++ b/src/nfc-utils.c @@ -0,0 +1,191 @@ +#include + +#include "nfc-utils.h" + +static const byte_t OddParity[256] = { + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1 +}; + +byte_t +oddparity (const byte_t bt) +{ + return OddParity[bt]; +} + +void +oddparity_bytes_ts (const byte_t * pbtData, const size_t szLen, byte_t * pbtPar) +{ + size_t szByteNr; + // Calculate the parity bits for the command + for (szByteNr = 0; szByteNr < szLen; szByteNr++) { + pbtPar[szByteNr] = OddParity[pbtData[szByteNr]]; + } +} + +void +print_hex (const byte_t * pbtData, const size_t szBytes) +{ + size_t szPos; + + for (szPos = 0; szPos < szBytes; szPos++) { + printf ("%02x ", pbtData[szPos]); + } + printf ("\n"); +} + +void +print_hex_bits (const byte_t * pbtData, const size_t szBits) +{ + uint8_t uRemainder; + size_t szPos; + size_t szBytes = szBits / 8; + + for (szPos = 0; szPos < szBytes; szPos++) { + printf ("%02x ", pbtData[szPos]); + } + + uRemainder = szBits % 8; + // Print the rest bits + if (uRemainder != 0) { + if (uRemainder < 5) + printf ("%01x (%d bits)", pbtData[szBytes], uRemainder); + else + printf ("%02x (%d bits)", pbtData[szBytes], uRemainder); + } + printf ("\n"); +} + +void +print_hex_par (const byte_t * pbtData, const size_t szBits, const byte_t * pbtDataPar) +{ + uint8_t uRemainder; + size_t szPos; + size_t szBytes = szBits / 8; + + for (szPos = 0; szPos < szBytes; szPos++) { + printf ("%02x", pbtData[szPos]); + if (OddParity[pbtData[szPos]] != pbtDataPar[szPos]) { + printf ("! "); + } else { + printf (" "); + } + } + + uRemainder = szBits % 8; + // Print the rest bits, these cannot have parity bit + if (uRemainder != 0) { + if (uRemainder < 5) + printf ("%01x (%d bits)", pbtData[szBytes], uRemainder); + else + printf ("%02x (%d bits)", pbtData[szBytes], uRemainder); + } + printf ("\n"); +} + +#define SAK_ISO14443_4_COMPLIANT 0x20 +#define SAK_ISO18092_COMPLIANT 0x40 + +void +print_nfc_iso14443a_info (const nfc_iso14443a_info_t nai) +{ + printf (" ATQA (SENS_RES): "); + print_hex (nai.abtAtqa, 2); + printf (" UID (NFCID%c): ", (nai.abtUid[0] == 0x08 ? '3' : '1')); + print_hex (nai.abtUid, nai.szUidLen); + printf (" SAK (SEL_RES): "); + print_hex (&nai.btSak, 1); + if (nai.szAtsLen) { + printf (" ATS (ATR): "); + print_hex (nai.abtAts, nai.szAtsLen); + } + if ((nai.btSak & SAK_ISO14443_4_COMPLIANT) || (nai.btSak & SAK_ISO18092_COMPLIANT)) { + printf (" Compliant with: "); + if (nai.btSak & SAK_ISO14443_4_COMPLIANT) + printf ("ISO/IEC 14443-4 "); + if (nai.btSak & SAK_ISO18092_COMPLIANT) + printf ("ISO/IEC 18092"); + printf ("\n"); + } +} + +void +print_nfc_felica_info (const nfc_felica_info_t nfi) +{ + printf (" ID (NFCID2): "); + print_hex (nfi.abtId, 8); + printf (" Parameter (PAD): "); + print_hex (nfi.abtPad, 8); +} + +void +print_nfc_iso14443b_info (const nfc_iso14443b_info_t nbi) +{ + printf (" ATQB: "); + print_hex (nbi.abtAtqb, 12); + printf (" ID: "); + print_hex (nbi.abtId, 4); + printf (" CID: %02x\n", nbi.btCid); + if (nbi.szInfLen > 0) { + printf (" INF: "); + print_hex (nbi.abtInf, nbi.szInfLen); + } + printf (" PARAMS: %02x %02x %02x %02x\n", nbi.btParam1, nbi.btParam2, nbi.btParam3, nbi.btParam4); +} + +/** + * @brief Tries to parse arguments to find device descriptions. + * @return Returns the list of found device descriptions. + */ +nfc_device_desc_t * +parse_device_desc (int argc, const char *argv[], size_t * szFound) +{ + nfc_device_desc_t *pndd = 0; + int arg; + *szFound = 0; + + // Get commandline options + for (arg = 1; arg < argc; arg++) { + + if (0 == strcmp (argv[arg], "--device")) { + + if (argc > arg + 1) { + char buffer[256]; + + pndd = malloc (sizeof (nfc_device_desc_t)); + + strncpy (buffer, argv[++arg], 256); + + // Driver. + pndd->pcDriver = (char *) malloc (256); + strcpy (pndd->pcDriver, strtok (buffer, ":")); + + // Port. + pndd->pcPort = (char *) malloc (256); + strcpy (pndd->pcPort, strtok (NULL, ":")); + + // Speed. + sscanf (strtok (NULL, ":"), "%u", &pndd->uiSpeed); + + *szFound = 1; + } + break; + } + } + + return pndd; +} diff --git a/src/nfc-utils.h b/src/nfc-utils.h new file mode 100644 index 0000000..5f7ea46 --- /dev/null +++ b/src/nfc-utils.h @@ -0,0 +1,43 @@ +/** + * Public platform independent Near Field Communication (NFC) library + * + * Copyright (C) 2010, Romuald Conty + * + * This program is free software: you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published by the + * Free Software Foundation, either version 3 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program. If not, see + * + * + * @file nfc-utils.h + * @brief Provide some examples shared functions like print, parity calculation, options parsing. + */ + +#ifndef _EXAMPLES_NFC_UTILS_H_ +# define _EXAMPLES_NFC_UTILS_H_ + +# include +# include + +byte_t oddparity (const byte_t bt); +void oddparity_byte_ts (const byte_t * pbtData, const size_t szLen, byte_t * pbtPar); + +void print_hex (const byte_t * pbtData, const size_t szLen); +void print_hex_bits (const byte_t * pbtData, const size_t szBits); +void print_hex_par (const byte_t * pbtData, const size_t szBits, const byte_t * pbtDataPar); + +void print_nfc_iso14443a_info (const nfc_iso14443a_info_t nai); +void print_nfc_iso14443b_info (const nfc_iso14443b_info_t nbi); +void print_nfc_felica_info (const nfc_felica_info_t nfi); + +nfc_device_desc_t *parse_device_desc (int argc, const char *argv[], size_t * szFound); + +#endif